/* Copyright 2009 Requirement Management System
 * 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.mags.exception.common;

import org.mags.cryptography.common.Sha1CryptoText;

/**
 * 
 * @author Mario Gaitan
 *
 */
public class ExceptionKeyCreatorImp extends AbstractExceptionKeyCreator {
	public ExceptionKeyCreatorImp() {
		setOrder(Integer.MAX_VALUE);
	}
	public String createKey(Throwable throwable) {
		Sha1CryptoText encoder = new Sha1CryptoText();
		if(throwable==null)
			return "null";
		String exceptionName = throwable.getClass().getName();
		String key = "";		
		try {			
			if(!throwable.getMessage().equals(""))
				key = encoder.encrypt(throwable.getMessage());
		}catch(Exception ex) {/*IGNORE EXCEPTION*/}
		if(!key.equals(""))
			exceptionName = exceptionName+"."+key;
		return exceptionName;
	}
	@Override
	public boolean canCreate(Throwable throwable) {
		Throwable cause = ExceptionUtils.findCause(throwable, Exception.class);
		return cause!=null;
	}
}
